60 Amp 600 Volt Fast Acting Class J Fuse · Littelfuse JLS060
Class J fast-acting cartridge fuse rated 60A at 600VAC for current-limiting overcurrent protection in industrial and commercial equipment. Commonly used in fused disconnects, panelboards, and branch circuit protection where a 200 kA interrupting rating and compact Class J format are required.
What this product is for
The Littelfuse JLS060 is a 60A, 600VAC Class J fast-acting cartridge fuse for overcurrent protection in industrial and commercial electrical systems. It is designed for applications that need quick opening under fault conditions and a compact, current-limiting fuse format.
Use for
- Fused disconnects and switchboards
- Panelboards and distribution equipment
- Branch circuit protection
- Equipment with sensitive components that benefit from fast-acting fuse response
Avoid for
- Applications with high inrush current where a time-delay fuse is typically preferred
- Installations requiring a different fuse class, voltage rating, or physical rejection style
- DC applications unless the equipment documentation specifically permits it
Best for
Best for contractors and maintenance teams replacing or specifying a Class J fuse where 60A continuous current, 600VAC rating, fast-acting performance, and high interrupting capacity are required in a space-saving cartridge design.
Installed in
Typically installed in Class J fuse holders or fuse blocks inside control panels, disconnects, motor control equipment, and commercial or industrial distribution assemblies. Always confirm fuse class, amp rating, voltage, and holder compatibility before replacement.
Why this product exists
This fuse exists to clear short circuits and overcurrent faults quickly while limiting let-through current in compact Class J installations. Compared with more general-purpose fuse types, Class J fuses are commonly selected where higher interrupting ratings and smaller physical size matter.
Compared with similar products
Compared with time-delay fuses, this fast-acting model opens more quickly and is commonly chosen for circuits that do not need extra inrush tolerance. Compared with larger fuse classes, Class J fuses provide a more compact footprint while maintaining a high interrupting rating. As a rule of thumb, always match the replacement fuse class exactly to the holder and equipment specification.
Specifications
- Manufacturer: Littelfuse
- Manufacturer part number: JLS060
- Series: JLS
- Product type: Industrial cartridge fuse
- Fuse class: Class J
- Amp rating: 60A
- Voltage rating: 600VAC
- Response: Fast-acting
- Interrupting rating: 200 kA at 600VAC
- Construction: Cartridge style, current-limiting
- Indication: Non-indicating
- Voltage600VAC
- SeriesJLS
- Fuse ClassClass J
- IndicationNon-indicating
- ConstructionCartridge style, current-limiting
- Interrupting Rating200 kA at 600VAC
- Current Rating60A
- BrandsLittelfuse
Aptico Supply Delivery
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Delivery charges may apply outside regular local routes, for smaller orders, or for oversized and heavy items.
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